81 lines
3.0 KiB
PHP
81 lines
3.0 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* Doctrine_Validator_Email
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*
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* @package Doctrine
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* @category Object Relational Mapping
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Validator_Email
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{
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/**
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* @link http://iamcal.com/publish/articles/php/parsing_email/pdf/
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* @param Doctrine_Record $record
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* @param string $key
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* @param mixed $value
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* @param string $args
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* @return boolean
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*/
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public function validate(Doctrine_Record $record, $key, $value, $args)
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{
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if (empty($value)) {
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return true;
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}
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if (isset($args[0])) {
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$parts = explode("@", $value);
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if (isset($parts[1]) && function_exists("checkdnsrr")) {
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if ( ! checkdnsrr($parts[1], "MX")) {
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return false;
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}
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}
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}
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$qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
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$dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
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$atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
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$quoted_pair = '\\x5c[\\x00-\\x7f]';
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$domain_literal = "\\x5b($dtext|$quoted_pair)*\\x5d";
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$quoted_string = "\\x22($qtext|$quoted_pair)*\\x22";
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$domain_ref = $atom;
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$sub_domain = "($domain_ref|$domain_literal)";
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$word = "($atom|$quoted_string)";
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$domain = "$sub_domain(\\x2e$sub_domain)+";
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/*
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following psudocode to allow strict checking - ask pookey about this if you're puzzled
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if ($this->getValidationOption('strict_checking') == true) {
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$domain = "$sub_domain(\\x2e$sub_domain)*";
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}
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*/
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$local_part = "$word(\\x2e$word)*";
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$addr_spec = "$local_part\\x40$domain";
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return (bool)preg_match("!^$addr_spec$!", $value);
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}
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}
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